生活中唯一的限制是你为自己设定的限制。
The only limits in life are the ones you set for yourself.
人对他自己建筑起堤防来。
我认为生活中最伟大的事情就是能够回馈。
Security is not a product, but a process.
It requires indeed some courage to undertake a labor of such far-reaching extent.